Dodecyl Gallate
Dodecyl Gallate, also known as lauryl gallate or E312, is a gallate antioxidant used for lipid oxidation control in selected fats, oils, fat-containing foods, snack oils, bakery fats, flavour oils and oxygen-sensitive systems where permitted. Industrial grade selection should consider assay, purity, fat compatibility, solubility, dispersion method, oxidation target, synergist package, process temperature, metal contamination, label declaration, maximum use level, combined gallate limits and destination-market compliance.
Product identity
| Product | Dodecyl Gallate |
|---|---|
| Common names | Dodecyl gallate E312, INS 312, lauryl gallate, gallic acid dodecyl ester, dodecyl 3,4,5-trihydroxybenzoate |
| Category | Antioxidants & Oxidation Control |
| Function | Antioxidant, lipid oxidation-control ingredient, fat-phase stabiliser and shelf-life support ingredient |
| E / INS number | E312 / INS 312, subject to destination-market restrictions |
| CAS / identity | 1166-52-5 |
| Chemical description | Dodecyl ester of gallic acid; long-chain alkyl gallate antioxidant |
| Molecular formula | C19H30O5 |
| Typical form | White to off-white powder, crystalline powder, premix, oil-dispersible preparation or antioxidant blend |
| Industrial purchasing basis | Assay, purity, melting range, solubility, particle size, fat compatibility, free gallic acid, related substances, heavy metals, carrier system, packaging and documents |
Application fit
Dodecyl Gallate is evaluated where oxidative rancidity, peroxide development, colour loss or flavour deterioration is driven by fat-phase oxidation.
- Edible oils and refined vegetable oils where permitted
- Animal fats, rendered fats, frying fats and blended fats where permitted
- Shortenings, bakery fats, margarine-style systems and fat-based fillings
- Snack oils, seasoning oils and coated snack systems
- Fat-containing bakery products, biscuits, crackers and wafers
- Meat, poultry and seafood systems where lipid oxidation is a concern and use is permitted
- Flavour oils, oleoresins, spice extracts and fat-soluble flavour systems
- Emulsions, dressings and sauces with a defined oil phase
- Dry premixes requiring antioxidant protection for fat-coated ingredients
Technical overview for manufacturers
Dodecyl Gallate is part of the alkyl gallate antioxidant family, alongside propyl gallate and octyl gallate. The gallate phenolic structure donates hydrogen to interrupt lipid free-radical chain reactions, while the dodecyl chain improves affinity for fat-containing systems. This makes Dodecyl Gallate most relevant for protecting oils, fats and lipid-rich ingredients from oxidative rancidity, flavour deterioration and peroxide formation. It should be evaluated as part of a complete oxidation-control strategy that includes raw material quality, oxygen control, metal control, packaging, process temperature and storage conditions.
Functional value in lipid systems
Lipid oxidation control
Helps delay peroxide formation and rancid flavour development in suitable fats, oils and fat-containing foods when used at permitted levels.
Fat-phase compatibility
The long dodecyl chain improves relevance to lipid-rich systems compared with more water-oriented antioxidants.
Shelf-life support
Can help protect sensory quality, flavour oils, colour systems and fat-containing matrices during storage and distribution.
Synergist potential
May be used with approved synergists such as citric acid, phosphates, ascorbyl palmitate, tocopherols, BHA or BHT where permitted and technically justified.
Dodecyl Gallate compared with other antioxidants
| Ingredient | Typical role | How Dodecyl Gallate differs |
|---|---|---|
| Propyl Gallate E310 | Gallate antioxidant for fats and oils, often used in antioxidant blends | Dodecyl Gallate has a longer C12 alkyl chain, giving a more lipophilic profile and different fat-phase behaviour. |
| Octyl Gallate E311 | Intermediate-chain gallate antioxidant for lipid systems | Dodecyl Gallate is more hydrophobic and should be selected based on solubility, matrix and permitted-use rules. |
| BHA / BHT | Synthetic phenolic antioxidants widely used in fats, oils and dry foods where permitted | Dodecyl Gallate may be evaluated alone or in blends, but legal limits and customer policies must be reviewed for each antioxidant. |
| Tocopherols | Natural or nature-identical fat-phase antioxidants used in oils and premium label systems | Dodecyl Gallate is a synthetic gallate antioxidant and may not fit natural-positioned products. |
| Ascorbyl Palmitate | Fat-soluble ascorbate ester used in antioxidant systems and synergistic blends | Ascorbyl palmitate has different reducing chemistry and label positioning; it may complement gallates in selected systems. |
| Citric Acid | Metal chelation and antioxidant synergy in some systems | Citric acid is not a fat-soluble radical scavenger like Dodecyl Gallate; it is often used to reduce metal-catalysed oxidation. |
Grade selection guidance
| Manufacturing need | Grade point to confirm | Why it matters |
|---|---|---|
| Edible oil protection | Oil solubility, assay, clarity, dosing temperature and antioxidant system compatibility | Ensures full dissolution or dispersion without haze, sediment or inconsistent antioxidant distribution. |
| Snack oils and seasoning oils | Compatibility with spice extracts, flavours, colours, salt, powders and storage oxygen | Protects flavour quality and reduces rancid notes in high-surface-area snack systems. |
| Bakery fats and shortenings | Melting behaviour, fat crystal compatibility, process temperature and label declaration | Supports shelf life without texture defects, colour shift or customer-label objections. |
| Fat-based fillings and coatings | Dispersion quality, sensory neutrality, fat phase location and heat history | Prevents graininess, visible particles, off-notes and inconsistent protection. |
| Meat or seafood systems | Oil/water phase location, permitted category, emulsifier system and metal-catalysed oxidation risk | Determines whether the antioxidant reaches the lipid phase where oxidation occurs. |
| Export production | Destination-market permission, food category, maximum level and combined gallate limits | Prevents relabelling, rejected shipments and reformulation after customer review. |
Formulation and processing considerations
- Phase location: Dodecyl Gallate must be present where lipid oxidation occurs. Poor dispersion into the oil phase can reduce performance.
- Solubility: it is not a clear-water antioxidant. Use in beverages normally requires flavour oil, emulsion, dispersion or fat-containing systems.
- Dosage precision: antioxidant limits can be low and market-specific, so accurate weighing and premix dilution are important.
- Order of addition: add to warm oil, melted fat, antioxidant concentrate or suitable carrier according to supplier guidance and process safety.
- Heat exposure: validate antioxidant retention and performance after deodorisation exposure, frying, baking, hot blending or thermal holding.
- Metal ions: iron, copper and other trace metals can accelerate oxidation; chelators and clean process equipment may be important.
- Synergist package: evaluate combinations with permitted antioxidants and metal chelators rather than relying on a single ingredient.
- Sensory impact: test for bitterness, phenolic notes, colour darkening, interaction with spices and effects on delicate flavour oils.
- Packaging: oxygen barrier, headspace control, light protection and nitrogen flushing may be as important as antioxidant selection.
- Regulatory limits: verify legal maximums, food categories and combined limits for gallates and other antioxidants before commercial use.
Application-specific technical notes
| Application | Technical value | Trial focus |
|---|---|---|
| Refined vegetable oils | Supports oxidative stability and flavour protection during storage | Measure peroxide value, anisidine value, Rancimat/OSI, colour, clarity and flavour after accelerated storage. |
| Snack oils | Protects high-surface-area fried or oil-coated foods from rancidity | Track oil uptake, seasoning interaction, oxygen exposure, packaging and sensory rancidity. |
| Bakery fats and shortenings | Extends quality of fat-rich bakery systems where permitted | Evaluate fat oxidation, dough or batter compatibility, baking heat, off-flavour and shelf-life flavour. |
| Fat-based fillings and coatings | Helps protect nut, cocoa, dairy fat or vegetable fat phases | Check dispersion, fat bloom, flavour stability, particle visibility and finished-product texture. |
| Seasoning blends | Protects oil-coated powders, spice extracts and fat-soluble flavours | Evaluate carrier oil stability, spice-metal interactions, dusting, flowability and flavour retention. |
| Meat and poultry systems | May support lipid oxidation control in fat-containing systems where permitted | Test phase distribution, cooked flavour, warmed-over flavour, colour, purge and legal category limits. |
| Emulsions and sauces | Can protect the oil phase if correctly incorporated and legally permitted | Check emulsion droplet distribution, pH, metal ions, flavour, colour, creaming and oxidative shelf life. |
Oxidation-control testing plan
Dodecyl Gallate should be approved through application testing because oxidation depends on fatty acid profile, peroxide level of incoming oil, metals, oxygen, heat, light, water activity, packaging and storage conditions. A useful trial compares an untreated control, Dodecyl Gallate, alternative antioxidants and complete antioxidant blends at legal use levels.
| Test area | Useful measurements | Why it matters |
|---|---|---|
| Primary oxidation | Peroxide value, conjugated dienes or product-specific primary oxidation markers | Shows early oxidation control before rancid flavour becomes obvious. |
| Secondary oxidation | Anisidine value, hexanal, aldehydes or sensory rancidity markers | Confirms real flavour protection and shelf-life benefit. |
| Accelerated stability | Rancimat, OSI, Schaal oven test or accelerated storage comparison | Supports rapid screening before long-term shelf-life trials. |
| Real-time shelf life | Flavour, odour, colour, texture, peroxide value and consumer-relevant sensory quality | Validates commercial performance in actual packaging and distribution. |
| Process compatibility | Clarity, dissolution, sediment, filtration, colour change, thermal exposure and equipment compatibility | Prevents plant issues even when antioxidant chemistry is acceptable. |
| Regulatory calculation | Active antioxidant level, combined gallate level and finished-product concentration | Ensures compliance with permitted levels and customer specification. |
Quality parameters to compare
Industrial purchasing should compare Dodecyl Gallate by assay, purity, application performance and regulatory documentation rather than kilogram price alone. A low-cost grade can create higher risk if it contains unacceptable impurities, dissolves poorly, darkens the product, lacks market-specific declarations or does not deliver stable antioxidant performance.
| Parameter | What to request from supplier |
|---|---|
| Assay | Specification range, COA result and test method for Dodecyl Gallate content. |
| Identity and purity | Confirmation of CAS 1166-52-5, E312 / INS 312 identity, related gallates and impurity profile. |
| Free gallic acid | Limit and test result because residual gallic acid can affect performance, taste and specification compliance. |
| Melting range | Melting point or range to support identity, purity and process handling. |
| Solubility and dispersion | Oil solubility, recommended dissolution temperature, suitable carriers and sediment risk. |
| Physical properties | Colour, odour, particle size, bulk density, flowability, dusting and caking tendency. |
| Moisture | Water content, loss on drying and storage guidance to prevent caking or degradation. |
| Heavy metals | Lead, arsenic, cadmium, mercury and destination-specific contaminant limits. |
| Microbiology | Total plate count, yeast and mould, coliforms, E. coli, Salmonella and buyer-specific microbiological limits where applicable. |
| Certification | Halal, kosher, vegan, vegetarian, non-GMO, allergen, ISO, FSSC 22000, HACCP, GMP or other customer-required certificates. |
| Regulatory support | Food-grade statement, E312 / INS 312 declaration, destination-market statement, use-level guidance and label wording support where available. |
Regulatory and labelling review points
Dodecyl Gallate is identified as E312 / INS 312 in many additive systems, but permission is not universal. The buyer must verify the destination country, product category, maximum use level, combined limits with other gallates or antioxidants, label declaration and customer policy before ordering production volumes. Some customers also restrict synthetic antioxidants in premium, natural, baby food, organic or clean-label product lines even where the ingredient is legally allowed.
Permitted categories
Confirm whether Dodecyl Gallate is allowed in the exact food category, not only whether E312 exists in the market’s additive list.
Maximum levels
Review the legal maximum for the finished product and any combined limit for propyl, octyl and dodecyl gallates or other antioxidants.
Label declaration
Confirm whether the label should declare Dodecyl Gallate, E312, antioxidant, lauryl gallate or another locally accepted wording.
Customer policy
Check whether the finished product’s brand standard permits synthetic antioxidants and gallate additives.
Formulation development checklist
- Define the oxidation issue: rancidity, peroxide formation, flavour loss, colour loss, vitamin loss or fat-containing ingredient instability.
- Confirm that Dodecyl Gallate is permitted for the destination market and the exact food category.
- Set the legal and technical dose target, including any combined gallate or antioxidant limits.
- Confirm whether the antioxidant must dissolve in oil, disperse in fat, enter an emulsion or be carried on a dry premix.
- Prepare bench samples with the actual oil, fat, flavour, seasoning, metal exposure and packaging conditions.
- Compare Dodecyl Gallate with propyl gallate, octyl gallate, tocopherols, ascorbyl palmitate, BHA, BHT or approved blends where relevant.
- Run accelerated oxidation screening followed by real-time shelf-life confirmation.
- Check sensory impact, colour change, haze, sediment, solubility and process compatibility.
- Verify label declaration, customer policy, specification, COA and regulatory documents before production release.
- Approve the supplier only after performance, legality, documents, packaging, price, lead time and logistics fit the project.
Documents to request
- Product specification or technical data sheet with identity, assay and recommended application guidance
- Certificate of analysis for available batch or representative lot
- Food-grade declaration and E312 / INS 312 additive-status statement
- Safety data sheet for handling, storage and transport review
- Origin statement, manufacturer information and change-control statement where available
- Allergen statement, GMO statement, gluten statement, vegan/vegetarian statement and irradiation statement
- Halal and kosher certificates when required by customer or destination market
- Assay, melting range, moisture, ash, free gallic acid, related substances and impurity data
- Heavy metal results and destination-specific contaminant data where required
- Microbiological specification and recent microbiological results where applicable
- Solubility, oil-dispersion, antioxidant-performance or application data where available
- Use-level guidance, combined antioxidant calculation support and label declaration guidance where available
- Shelf-life, storage conditions and opened-pack handling guidance
- Packaging details, inner liner, net weight, gross weight, pallet configuration and batch traceability information
- Market-specific regulatory statements, customs documents and export documents when available
Packaging, storage and logistics
Dodecyl Gallate is normally supplied in food-grade bags, lined cartons, fibre drums or other moisture-protective packaging. Packaging should protect the antioxidant from moisture, contamination, odour pickup, light, excessive heat and accidental cross-contact. Because antioxidants are often dosed at low levels, traceability and lot control are essential.
Powder protection
Confirm inner liner, closure integrity, moisture barrier, pallet wrapping and dust-control requirements for powder or crystalline grades.
Premix handling
For antioxidant blends or carrier-based grades, confirm active content, carrier identity, homogeneity, segregation risk and dosage calculation.
Storage control
Store tightly closed in a cool, dry, clean and odour-free area away from direct sunlight, oxidising materials and incompatible chemicals.
Export readiness
Request COA, SDS, origin documents, regulatory declaration, packing list, batch list and country-specific import documents before dispatch.
Commercial sourcing notes
Commercial evaluation should include regulatory suitability, antioxidant performance and supplier reliability. Buyers should compare assay, impurity profile, permitted-market support, minimum order quantity, lead time, packaging, price validity, Incoterms, certificate availability and change-notification policy. For recurring production, request retained samples, batch-to-batch COA history and written notification of changes to site, specification, raw materials, carrier or regulatory status.
| Purchasing question | Why it matters |
|---|---|
| Is Dodecyl Gallate permitted for this product category? | Legal permission is category-specific and may differ greatly by country. |
| Is the grade pure E312 or an antioxidant blend? | Blends can change dosage calculation, label declaration, combined limits and customer approval. |
| What is the active assay? | Accurate assay is needed for low-dose antioxidant calculation and regulatory compliance. |
| How will it be incorporated? | Oil dissolution, melted-fat addition, carrier premix or emulsion addition require different processing methods. |
| Which oxidation test will prove performance? | PV, AV, OSI, Rancimat, hexanal and sensory tests may give different insight depending on the product. |
| What documents are available before shipment? | Missing COA, SDS, regulatory statement, allergen, GMO, halal, kosher or origin documents can delay approval and customs clearance. |
How Global Food Additives supports sourcing
Global Food Additives, Inc. supports food manufacturers with practical sourcing coordination for Dodecyl Gallate and other antioxidant or oxidation-control ingredients. Our team can help compare grade options by assay, solubility, application fit, specification, documentation, packaging, lead time, certification and destination-market requirements. We can also coordinate sample discussions, supplier document review and quotation comparison against your current approved antioxidant system or target formulation.
How to request this product
Send the product name, intended application, fat or oil system, current specification if available, target antioxidant function, quantity, destination country, packaging preference, expected shipment date and required documents. If you already purchase Dodecyl Gallate or another antioxidant, attach your existing specification, certificate of analysis, label declaration, dosage rate or oxidation-test results so supplier options can be compared more accurately.
| Best inquiry information | Example details to include |
|---|---|
| Application | Edible oil, frying fat, snack oil, bakery fat, shortening, margarine-style system, fat-based filling, sauce, seasoning oil or flavour oil. |
| Technical target | Peroxide control, rancidity delay, flavour protection, colour protection, vitamin protection, oil stability index or shelf-life extension. |
| Process conditions | Oil type, fat phase, dosage, heating temperature, oxygen exposure, packaging, metal contact and storage temperature. |
| Grade preference | Dodecyl Gallate E312, pure powder, crystalline grade, oil-dispersible grade, premix blend, halal, kosher, non-GMO or supplier-recommended grade. |
| Compliance need | Destination country, food category, maximum level, combined gallate limit, label declaration and customer antioxidant policy. |
| Documentation | Specification, COA, SDS, food-grade declaration, assay, heavy metals, allergen, GMO, halal, kosher, shelf-life and packaging documents. |
Useful answers
What is Dodecyl Gallate used for in food manufacturing?
Dodecyl Gallate is used as a gallate antioxidant for lipid oxidation control in selected fats, oils, snack oils, bakery fats, fat-based foods, emulsions and oxygen-sensitive systems where permitted.
Is Dodecyl Gallate the same as lauryl gallate?
Yes. Dodecyl Gallate is also called lauryl gallate or gallic acid dodecyl ester. It is identified as E312 / INS 312 in many additive systems.
How is Dodecyl Gallate different from propyl gallate?
Both are gallate antioxidants, but Dodecyl Gallate has a longer C12 alkyl chain, making it more lipophilic. This affects solubility, fat compatibility and application performance.
Can Dodecyl Gallate be used in clear beverages?
It is not normally selected for clear water-based beverages because of very limited water solubility. Beverage applications would generally need an oil phase, emulsion or flavour-oil system and must be legally permitted.
Can Dodecyl Gallate be blended with other antioxidants?
It may be evaluated with other permitted antioxidants or synergists such as tocopherols, ascorbyl palmitate, citric acid, BHA or BHT, but legal limits and label declaration must be reviewed for the complete blend.
Which documents should be requested?
Buyers commonly request a technical data sheet, certificate of analysis, assay and purity results, safety data sheet, food-grade statement, regulatory declaration, heavy metal data, impurity profile, allergen and GMO statements, shelf-life, storage and packaging details.
Can Global Food Additives source Dodecyl Gallate?
Global Food Additives can review sourcing options according to target specification, antioxidant function, application, quantity, destination country, packaging preference and required documentation.
Is this product permitted in every country?
No. Dodecyl Gallate use, maximum levels, approved food categories, label declaration and combined gallate limits depend on destination-market regulations, supplier documentation and buyer responsibility.
Tell us which Dodecyl Gallate grade or antioxidant solution you need.
Send product name, application, fat or oil system, quantity, destination country, packaging preference, delivery term and required documents. Our team will review your inquiry and respond from orders@foodgradeadditives.com.
Your message has been received. You will be redirected to the home page.